Chambers of heart
Chambers of heart CHAMBERS OF HEART The human heart has four chambers: two upper chambers (the atria) and two lower ones (the ventricles) RIGHT ATRIUM: Has thinnest walls of the four chambers. Forms rt. border of heart. It is divided by (crista terminalis) into two parts:- 1. Rough anterior part or atrium proper (pectinate part), including auricle It is derived […]


